Lupo: It's like fishing for a needle in the ocean. Old Chinese saying.

Van Buren: Just do it. Old American saying.

"Kids like this see Harris and Klebold as tragic heroes instead of what they were--a grandiose psychopath (Harris) and a suicidal depressive (Klebold)."

– Skoda about the Columbine Killers

"You get no argument from me there. But if your obstruction allows a massacre to happen, I will crucify you, Mr. Kralik. I will charge you with negligent homicide, and after I convict you I will resign my job and represent the families of the victims in a wrongful death suit against you and the union. By the time I'm done, you'll be finished. So, my advice to you is get out of my way!"

Originally intended to be a mere season finale (and the final appearance of Lt. Anita Van Buren), this episode was made into the series finale after NBC announced on May 15th that they were cancelling the series.

Before NBC announced its plans to cancel L&O, the series was close to achieving the title of longest-running prime-time drama, which is currently held by the 1960s western series Gunsmoke.

In April 2010, the real-life NYC Department of Education and the local teacher's union agreed to abolish the "Rubber Rooms", which had long been a source of embarrassment for both parties. The last remaining Temporary Reassignment Centers closed on June 28th.